Finding the Fourth Proportional to 311,402,370.17, 429,721,662.30 and 170,270,929.91
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Solution
The fourth proportional to 311,402,370.17, 429,721,662.30 and 170,270,929.91 is: 234,966,442.30
Step by Step Solution
- Step 1: Write the proportion equation
311,402,370.17 : 429,721,662.30 = 170,270,929.91 : x - Step 2: Convert to fraction form
311,402,370.17/429,721,662.30 = 170,270,929.91/x - Step 3: Cross multiply
311,402,370.17x = 429,721,662.30 × 170,270,929.91 - Step 4: Simplify right side
311,402,370.17x = 73,169,107,042,291,984 - Step 5: Solve for x
x = 73,169,107,042,291,984/311,402,370.17 - Step 6: Final answer
x = 234,966,442.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.